954 Bronze Rectangular Bar Material Bronze Material Grade 954 Mechanical Finish Mill Overall Length 12 in Overall Width 3 in Yield Strength 32 000 psi Thickness 0.25 in Thickness Tolerance +/-0.156 in Standards ASTM B505 ASTM B505M Fabrication Cast Rockwell Hardness B87 Shape Rectangular Bar System of Measurement Inch Tensile Strength 85 000 psi